Computer Knowledge

Computer Fundamentals and System Concepts

2,255 Questions

Computer fundamentals and system concepts questions cover core hardware components, operating systems, and historical computer milestones. Topics include the kernel, central processing unit, and basic computing terminology. These foundational questions are strictly essential for scoring well in computer knowledge sections.

Central processing unitComputer operating systemsSupercomputer milestonesSystem registry functionsKernel operationsAndroid applications

Computer Fundamentals and System Concepts Questions

Multiple choice

Which of the following is known as the control module of operating system?

  1. Command processor

  2. Shell

  3. Kernel

  4. File management

  5. Input output management
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The kernel is a part of operating system, which loads first and remains in the main memory, until the computer is shut down. It is responsible for the services and the functions of the operating systems.

Multiple choice

Refer to the exhibit. When computer A sends a frame to computer D, which computer will receive the frame?

  1. Only computer D

  2. Only computer A and computer D

  3. Only computer B, computer C, and computer D

  4. All computers
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In a switched network, switches learn MAC addresses and forward frames only out the port where the destination MAC address is located. When Computer A sends to Computer D, the switch looks up the MAC address of Computer D in its MAC address table and forwards the frame only to the port connected to Computer D. This is unlike hubs which broadcast to all ports or routers which operate at Layer 3.

Multiple choice

What does the term 'Grayware' refer to?

  1. Applications that enhance the performance of computers

  2. Applications that have a gray user interface

  3. Applications that negatively affect the performance of computers

  4. Computer games

  5. Antivirus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Grayware (or greyware) is a general term that refers to applications or files that are not directly classified as malware (like worms or trojan horses), but can still negatively affect the performance of computers and involve significant security risks.

Multiple choice

Which software can not be used without the help of System software?

  1. Utility software

  2. Operating system

  3. Application software <o:p></o:p>

  4. Database management system
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is not used without the system software. An application program is one that has been developed to solve a specific data processing task. For example, software which does word processing, payroll, financial accounting, etc. These programs are developed by computer professionals called application programmers.

Multiple choice

Which software is built to control the entire operation of CPU?

  1. Operating system

  2. Utility software

  3. System software

  4. Application software
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 System software is built to control the entire operation. It's collection of programs are designed to operate, control and extend the processing capabilities of computer itself. These softwares perform a variety of functions like file editing, storage management, resource accounting, I/O management etc. The examples of system software and operating system are M.S. DOS and Microsoft windows.  

Multiple choice

Computer virus is a

  1. human virus

  2. hardware

  3. program that infects computer software

  4. program that guards computer software

  5. none of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Virus is a program that infects computer software.